78051 ÷ 9 = 8672 R3
Let's divide 78051 by 9.

Step 1:
9 goes into 7 0 times with a remainder of 7.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 7 to get 7.
Bring next digit (8) of the dividend behind the 7 and repeat the process: 78 / 9

Step 2:
9 goes into 78 8 times with a remainder of 6.
Write down 8 as next digit of of the result. 
Result so far: 8
Subtract 72 from 78 to get 6.
Bring next digit (0) of the dividend behind the 6 and repeat the process: 60 / 9

Step 3:
9 goes into 60 6 times with a remainder of 6.
Write down 6 as next digit of of the result. 
Result so far: 86
Subtract 54 from 60 to get 6.
Bring next digit (5) of the dividend behind the 6 and repeat the process: 65 / 9

Step 4:
9 goes into 65 7 times with a remainder of 2.
Write down 7 as next digit of of the result. 
Result so far: 867
Subtract 63 from 65 to get 2.
Bring next digit (1) of the dividend behind the 2 and repeat the process: 21 / 9

Step 5:
9 goes into 21 2 times with a remainder of 3.
Write down 2 as next digit of of the result. 
Result so far: 8672
Subtract 18 from 21 to get 3.

The final result is 8672 with a remainder of 3.